Young version of the crown prince's brother.
young Shi-on represents Park Shi-on during childhood, when he was sent to a specialized care center. The plot establishes that his exceptional memory and keen spatial skills were discovered there, providing the early foundation for his later development as a resident surgeon. This younger version connects his childhood experiences to his adult professional and personal struggles.
A quiet student seated beside Park Seon-yoo, whom classmates tease. He stands up for her when classmates deface her painting, later repairs it, and shows concern by sharing an umbrella and following her when she misses class. His growing closeness to Seon-yoo is paired with anxiety about her planned picnic and conflict with his family.
Choi Ro-woon has 6 screen credits in a career dating back to 2013. Their work is anchored in the Gravedigger Jones and Coffin Ed Johnson Collection universe with 1 titles. Signature works include Good Doctor, Please Don't Save Me, Happy Together. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
